Electronic keyboard musical instrument



FIG. 1 is a front view of an electronic keyboard musical instrument showing my new design;

FIG. 2 is a top view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a left side view thereof; and,

FIG. 6 is a right side view thereof. 

The ornamental design for an electronic keyboard musical instrument, as shown. 